Senior Linux Administrator

Role Overview:

We are looking for a passionate and curious Linux Infrastructure / Network Engineer with 3 - 6+ years of experience in networking, infrastructure or Linux administration. The ideal candidate should have a strong foundation in system and network management, along with a keen interest in learning and working on emerging technologies.

Key Responsibilities:

• Design, implement and manage LAN/WAN network infrastructure.
• Configure and maintain routers, switches and firewalls.
• Monitor network performance and troubleshoot connectivity issues.
• Ensure network security through firewalls, VPNs and access controls.
• Perform network capacity planning and optimization.
• Maintain documentation for network configurations and processes
• Support and troubleshoot networking in virtualized environments.
• Manage and maintain Linux-based systems and server environments.
• Monitor system performance to ensure high availability and reliability.
• Implement security best practices, patches, and user access controls.
• Assist in managing GPU-enabled servers for HPC and AI/ML workloads.
• Optimize system performance for GPU-intensive applications.
• Provide L1-level support and basic troubleshooting.
  

Required Skills & Qualifications:

• 2 to 3+ years of experience in networking, infrastructure or Linux administration.
• Strong understanding of networking concepts: TCP/IP, DNS, DHCP, VLANs, BGP, VPN, IPSec, ZTNA.
• Hands-on experience with Linux operating systems (Red Hat, Ubuntu, Debian, Fedora).
• Knowledge of routing, switching, and firewall configurations.
• Understanding of virtualization and virtual networking environments.
• Familiarity with system monitoring and performance tuning.
• Basic understanding of container technologies (Docker, Podman, LXC).
• Basic scripting knowledge (Bash, Python, or similar) is a plus.
  

Preferred Skills:

• Experience with configuration management tools (Ansible, Terraform).
• Exposure to virtualization platforms (KVM, VMware, Xen, Proxmox, OpenStack, OpenNebula).
• Familiarity with monitoring tools (Nagios, Zabbix, Prometheus, Datadog, etc.)
• Exposure to networking devices (Cisco, Juniper, Aruba, Fortinet, Palo Alto, Sophos, Check Point)
• Basic understanding of GPU/HPC environments (NVIDIA drivers, CUDA, cuDNN)
• Experience with GPU monitoring tools (nvidia-smi, DCGM, NVTOP, Prometheus exporters)
  

Key Attributes:

• Strong curiosity and willingness to learn new technologies.
• Strategic thinking and problem-solving mindset.
• Good planning and organizational skills.
• Ability to work independently and in a team environment.
  

Good to Have:

• Exposure to AI/ML infrastructure environments.
• Experience in handling compute, storage, and backup servers.
• Familiarity with enterprise hardware vendors (Dell, HPE, Lenovo, etc.)
  

About Company:

Innspark is a deep-tech, product-based OEM specializing in cybersecurity products, AI, cloud solutions, and select hardware offerings such as drones, VTS, and telemedicine systems, with a diverse and evolving portfolio. To learn more, please visit our website: https://innspark.in.